Qingdao Doublestone Industrial Co.,Ltd

Our company is located in Qingdao-a Chinese rubber industrial base and the famous tourism seaside city in north China . AS one of the leading tyre and hand carts manufactures , we have our own GRANDSTONE ., and SEA-LINEfor tires . We export our products all over the world , such as :Asia , Middle East , Africa , South America , North Amoerica and European countries, ect. We have obained CCC, ISO9001, QS9000,European and American standard 'ECEand DOTcertification , SONCAP for Nigeria , and Gulf standard GCCcertification , Brazil INMETRO,etc. We develop ourselves by abiding by the rule of honest and keeping our words. We are grateful for the support from all friendly partners and are looking forword to establishing long-term business relationship with anyone who is intrested in our product.